diff --git a/radiantwave-updater.nix b/radiantwave-updater.nix
index 968028b..a298032 100644
--- a/radiantwave-updater.nix
+++ b/radiantwave-updater.nix
@@ -38,7 +38,10 @@ in
       wants = [ "network-online.target" ];
       serviceConfig = {
         Type = "oneshot";
-        RemainAfterExit = true;
+        # NOTE: no RemainAfterExit here. Keeping the oneshot "active" after
+        # it finishes breaks the timer's OnUnitActiveSec re-arming, so the
+        # 2-min cadence stops after the first run (NEXT goes empty, Trigger
+        # becomes n/a). Let the service return to dead so the timer refires.
       };
       script = ''
         set -u